diff --git a/regenerate_hosts.sh b/regenerate_hosts.sh
index 76dcaccd69bc26e049fc97348aa4e2b6b50306d1..6c595526a5b86e0a9bddae7a9276d549f8fe295e 100755
--- a/regenerate_hosts.sh
+++ b/regenerate_hosts.sh
@@ -3,7 +3,7 @@ BASE_MACS="6c:4b:90 a4:1f:72 78:45:c4 64:00:6a b0:83:fe d4:be:d9 00:23:24"
 arg="c8:1f:66"
 for mac in $BASE_MACS
 do
-    arg="$arg \| $mac"
+    arg="$arg\| $mac"
 done
 echo grep "$arg" /var/lib/dhcp/dhcpd.leases
 MACS=""